Spring for a manipulative input device



FIG. 1 is a top and front perspective view of a spring for manipulative input device showing our new design;

FIG. 2 is a bottom and front perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side view thereof. 

The ornamental design for a spring for manipulative input device, as shown and described. 